Planar Dynamical Systems: Selected Classical Problems by Yirong Liu (English) Ha
145,59 €
By Yirong Liu, Jibin Li, Wentao Huang, Science Press. (2) The problem of the center stated by Poincaré for real polynomial differential systems, which asks us to recognize when a planar vector field defined by polynomials of degree at most n possesses a singularity which is a center.
Jetzt bei Ebay: